Thus the LORD said to me, "Go and stand in the public gate, through which the kings of Judah come in and go out, as well as in all the gates of Jerusalem;
Strong's Concordance
Original word: ἡσύχιος
Transliteration: hésuchios
Definition (short): quiet
Definition (full): tranquil
NAS Exhaustive Concordance
Word Origin: a prol. form of hésuchos (still, quiet)
A prolonged form of a compound probably of a derivative of the base of hedraios and perhaps echo; properly, keeping one's seat (sedentary), i.e. (by implication) still (undisturbed, undisturbing) -- peaceable, quiet.
KJV: But let it be the hidden man of the heart, in that which is not corruptible, even the ornament of a meek and quiet spirit, which is in the sight of God of great price.
NASB: but let it be the hidden person of the heart, with the imperishable quality of a gentle and quiet spirit, which is precious in the sight of God.